<template>
    <el-container>
        <el-header>
            <div class="left-panel">
                <el-button type="primary" icon="el-icon-plus" @click="add" v-auth="'dept.add'"></el-button>
                <el-button type="danger" plain icon="el-icon-delete" :disabled="selection.length==0" @click="batch_del" v-auth="'dept.delete'"></el-button>
            </div>
            <div class="right-panel">
                <div class="right-panel-search">
                    <el-input v-model="search.keyword" placeholder="部门名称" clearable></el-input>
                    <el-button type="primary" icon="el-icon-search" @click="upsearch"></el-button>
                </div>
            </div>
        </el-header>
        <el-main class="nopadding">
            <scTable ref="table" :apiObj="apiObj" row-key="id" @selection-change="selectionChange" hidePagination>
                <el-table-column type="selection" width="50"></el-table-column>
                <el-table-column label="部门名称" prop="label" width="250"></el-table-column>
                <el-table-column label="紧急联系人" prop="contactors" width="180"></el-table-column>
                <el-table-column label="更新时间" prop="date" width="200"></el-table-column>
                <el-table-column label="备注" prop="remark" width="300"></el-table-column>
                <el-table-column label="排序" prop="sort" width="80"></el-table-column>
                <el-table-column label="状态" prop="status" width="150">
                    <template #default="scope">
                        <el-tag v-if="scope.row.status==1" type="success">启用</el-tag>
                        <el-tag v-if="scope.row.status==0" type="danger">停用</el-tag>
                    </template>
                </el-table-column>
                <el-table-column label="操作" fixed="right" align="right" width="170">
                    <template #default="scope">
                        <el-button-group>
                            <el-button text type="primary" size="small" @click="table_show(scope.row, scope.$index)" v-auth="'dept.query'">查看</el-button>
                            <el-button text type="primary" size="small" @click="table_edit(scope.row, scope.$index)" v-auth="'dept.edit'">编辑</el-button>
                            <el-popconfirm title="确定删除吗？" @confirm="table_del(scope.row, scope.$index)">
                                <template #reference>
                                    <el-button text type="primary" size="small" v-auth="'dept.delete'">删除</el-button>
                                </template>
                            </el-popconfirm>
                        </el-button-group>
                    </template>
                </el-table-column>

            </scTable>
        </el-main>
    </el-container>

    <save-dialog v-if="dialog.save" ref="saveDialog" @success="handleSaveSuccess" @closed="dialog.save=false"></save-dialog>
</template>

<script>
import saveDialog from './save'

export default {
    name: 'dept',
    components: {
        saveDialog
    },
    data() {
        return {
            dialog: {
                save: false
            },
            apiObj: this.$API.system.dept.list,
            selection: [],
            search: {
                keyword: null
            },
            allData: [],
        }
    },
    methods: {
        //添加
        add() {
            this.dialog.save = true
            this.$nextTick(() => {
                this.$refs.saveDialog.open()
            })
        },
        //编辑
        table_edit(row) {
            this.dialog.save = true
            this.$nextTick(() => {
                this.$refs.saveDialog.open('edit').setData(row)
            })
        },
        //查看
        table_show(row) {
            this.dialog.save = true
            this.$nextTick(() => {
                this.$refs.saveDialog.open('show').setData(row)
            })
        },
        //删除
        async table_del(row) {
            var reqData = { ids: row.id }
            var res = await this.$API.system.dept.delete.delete(reqData);
            if (res.code == 200) {
                this.$refs.table.refresh()
                this.$message.success("删除成功")
            } else {
                this.$alert(res.message, "提示", { type: 'error' })
            }
        },
        //批量删除
        batch_del() {
            this.$confirm(`确定删除选中的 ${this.selection.length} 项吗？如果删除项中含有子集将会被一并删除`, '提示', {
                type: 'warning'
            }).then(async () => {
                const loading = this.$loading();

                // 删除多个id，逗号连接
                var ids = this.selection.map(function (obj, index) {
                    return obj.id;
                }).join(",");
                var reqData = { ids: ids }
                var res = await this.$API.system.dept.delete.delete(reqData);
                if (res.code == 200) {
                    this.$refs.table.refresh()
                    loading.close();
                    this.$message.success("操作成功")
                } else {
                    loading.close();
                    this.$refs.table.refresh()
                    this.$alert(res.message, "提示", { type: 'error' })
                }
            }).catch(() => {
                loading.close();
                this.$refs.table.refresh()
                this.$alert(res.message, "提示", { type: 'error' })
            })
        },
        //表格选择后回调事件
        selectionChange(selection) {
            this.selection = selection;
        },
        //搜索
        async upsearch() {
            if (this.search.keyword == null || this.search.keyword == '') {
                await this.$refs.table.refresh()
            }
            else {
                //this.$refs.table.upData(this.search)
                // 树表搜索
                var res = await this.$API.system.dept.list.get()
                this.allData = res.data
                this.$refs.table.tableData = this.rebuildData(this.search.keyword, this.allData)
            }
        },
        //根据ID获取树结构
        filterTree(id) {
            var target = null;
            function filter(tree) {
                tree.forEach(item => {
                    if (item.id == id) {
                        target = item
                    }
                    if (item.children) {
                        filter(item.children)
                    }
                })
            }
            filter(this.$refs.table.tableData)
            return target
        },
        // 重点代码 根据name字段模糊匹配树状结构数据，最后将处理好的数据返回出来
        rebuildData(value, arr) {
            if (!arr) {
                return []
            }
            const newarr = [];
            arr.forEach(element => {
                // indexOf用来判读当前节点name字段是否包含所搜索的字符串value
                // 返回值：包含则返回索引值，反之返回-1
                if (element.label.indexOf(value) > -1) {
                    const ab = this.rebuildData(value, element.children);
                    const obj = {
                        ...element,
                        children: ab
                    }
                    newarr.push(obj);
                } else {
                    // 判断当前节点知否有子节点，并且子节点中有数据，有数据继续递归查找
                    if (element.children && element.children.length > 0) {
                        const ab = this.rebuildData(value, element.children);
                        const obj = {
                            ...element,
                            children: ab
                        };
                        if (ab && ab.length > 0) {
                            newarr.push(obj);
                        }
                    }
                }
            });
            return newarr
        },
        //本地更新数据
        handleSaveSuccess(data, mode) {
            if (mode == 'add') {
                this.$refs.table.refresh()
            } else if (mode == 'edit') {
                this.$refs.table.refresh()
            }
        }
    }
}
</script>

<style>
</style>
